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			31 lines
		
	
	
	
		
			701 B
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
	
		
			701 B
		
	
	
	
		
			Text
		
	
	
	
	
	
| connection node_2;
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| connection node_1;
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| CREATE TABLE t1 (
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| f1 VARCHAR(255),
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| KEY (f1)
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| ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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| INSERT INTO t1 VALUES ('текст');
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| connection node_2;
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| SELECT f1 = 'текст' FROM t1;
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| f1 = 'текст'
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| 1
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| connection node_1;
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| SET AUTOCOMMIT=OFF;
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| START TRANSACTION;
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| UPDATE t1 SET f1 = 'текст2';
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| connection node_2;
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| SET AUTOCOMMIT=OFF;
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| START TRANSACTION;
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| UPDATE t1 SET f1 = 'текст3';
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| connection node_1;
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| COMMIT;
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| connection node_2;
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| COMMIT;
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| ERROR 40001: Deadlock found when trying to get lock; try restarting transaction
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| SELECT f1 = 'текст2' FROM t1;
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| f1 = 'текст2'
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| 1
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| SELECT f1 = 'текст2' FROM t1 WHERE f1 = 'текст2';
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| f1 = 'текст2'
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| 1
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| DROP TABLE t1;
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